gov.nih.nlm.nls.lvg.Flows.ToNominalization Maven / Gradle / Ivy

Go to download
Show more of this group Show more artifacts with this name
Show all versions of lvg2010dist Show documentation
LVG tools is used by Apache cTAKES.
The newest version!
package gov.nih.nlm.nls.lvg.Flows;
import java.util.*;
import java.sql.*;
import gov.nih.nlm.nls.lvg.Lib.*;
import gov.nih.nlm.nls.lvg.Util.*;
import gov.nih.nlm.nls.lvg.Db.*;
import gov.nih.nlm.nls.lvg.Trie.*;
/*****************************************************************************
* This class gets the lexical name for a specified term.
*
* History:
* 

* 
*
* @author NLM NLS Development Team
*
* @see 
* Design Document 
*
* @version    V-2010
****************************************************************************/
public class ToNominalization extends Transformation
{
    // public methods
    /**
    * Performs the mutation of this flow component.
    *
    * @param   in   a LexItem as the input for this flow component
    * @param   conn   LVG database connection
    * @param   detailsFlag   a boolean flag for processing details information
    * @param   mutateFlag   a boolean flag for processing mutate information
    *
    * @return  Vector - results from this flow component 
    *
    * @exception SQLException if errors occurr while connect to LVG database.
    *
    * @see DbBase
    * @see PersistentTrie
    */
    public static Vector Mutate(LexItem in, Connection conn, 
        boolean detailsFlag, boolean mutateFlag) 
        throws SQLException
    {
        // mutate the term
        Vector out 
            = GetNominalization(in, conn, INFO, detailsFlag, mutateFlag);
        return out;
    }
    /**
    * A unit test driver for this flow component.
    */
    public static void main(String[] args)
    {
        // load config file
        Configuration conf = new Configuration("data.config.lvg", true);
        String testStr = GetTestStr(args, "able");
        // Mutate connect to DB
        LexItem in = new LexItem(testStr, Category.ALL_BIT_VALUE, 
            Inflection.ALL_BIT_VALUE);
        Vector outs = new Vector();
        try
        {
            Connection conn = DbBase.OpenConnection(conf);
            if(conn != null)
            {
                outs = ToNominalization.Mutate(in, conn, true, true);
            }
            DbBase.CloseConnection(conn, conf);
        }
        catch (Exception e)
        {
            System.err.println(e.getMessage());
        }
        PrintResults(in, outs);     // print out results
    }
    // private method
    /**
    * Get nominalization from a specified term from Lexicon.
    *
    * @param   in   a LexItem as the input for this flow component
    * @param   conn   LVG database connection
    * @param   infoStr   the header of detail information, usually is the
    * full name of the current flow
    * @param   detailsFlag   a boolean flag for processing details information
    * @param   mutateFlag   a boolean flag for processing mutate information
    *
    * @return  Vector - results from this flow component 
    *
    * @see DbBase
    */
    private static Vector GetNominalization(LexItem in, 
        Connection conn, String infoStr, boolean detailsFlag, 
        boolean mutateFlag)
    {
        String inStr = in.GetSourceTerm();
        Vector out = new Vector();
        try
        {
            // get nominalizations from database
            Vector nomList 
                = DbNominalization.GetNominalizations(inStr, conn); 
            // update LexItems
            // go through all records from the results of fact DB
            for(int i = 0; i < nomList.size(); i++)
            {
                NominalizationRecord record = nomList.elementAt(i);
                String inTerm = record.GetNominalization1();
                String inEui = record.GetEui1();
                long inCat = (long) record.GetCat1();
                String nomTerm = record.GetNominalization2();
                String nomEui = record.GetEui2();
                long nomCat = (long) record.GetCat2();
                // details & mutate
                String details = null;
                String mutate = null;
                if(detailsFlag == true)
                {
                    details = infoStr;
                }
                if(mutateFlag == true)
                {
                    String fs = GlobalBehavior.GetFieldSeparator();
                    mutate = inEui + fs + Category.ToName(inCat) + fs 
                        + nomEui + fs;
                }
                // update LexItem's info
                LexItem temp = UpdateLexItem(in, nomTerm, Flow.NOMINALIZATION, 
                    nomCat, Inflection.GetBitValue(Inflection.BASE_BIT), 
                    details, mutate);
            
                out.addElement(temp);
            }
        }
        catch (Exception e) { }
        return out;
    }
    // data members
    private static final String INFO = "Nominalization";
}